Wheel Collars diferent sizes from d=2.2mm - tod= 5.2mm 1Pc
Micro wheels Foam D=15 up to D=30 /1piece
GREAT PLANES - Foam wheel 76 mm (3") 1pc.
Freewing 34mm (1.34") x 10.5mm Polyurethane Treaded Wheel for 2.2mm Axle